Minneapolis Mayor R.T. Rybak proposes three sites in Minneapolis to build a new Vikings stadium during a news conference in St. Paul, Minn. on Oct. 27, 2011. (AP Photo/The Star Tribune, Brian Peterson)

R.T. Rybak, the mayor of Minneapolis and vice chairman of the Democratic National Committee will be in Des Moines this weekend to give a Democratic response after the GOP debate.

The ABC News/Des Moines Register/Republican Party of Iowa debate is Saturday at 8 p.m. at Drake University. It will be broadcast live on ABC.

Moderators are ABC’s Diane Sawyer and George Stephanopoulos.

Rybak will hold a briefing with reporters on Saturday prior to the debate and will be on hand to offer a Democratic response following the debate, said Michael Czin, regional spokesman for the Democratic National Committee.